High-protection heat-dissipation type lithium battery support forming equipment

Abstract

This invention relates to a high-protection, heat-dissipating lithium battery bracket molding equipment, comprising an injection molding machine body, an upper mold, and a lower mold. Three modules for placing nuts are symmetrically arranged on both sides of the upper mold. Each module has a mounting hole. A lifting assembly is located above the injection molding machine body. Receiving assemblies are symmetrically arranged on both sides of the lifting assembly. Each receiving assembly includes a rotating shaft and several receiving chambers. A pushing assembly is slidably mounted on the rotating shaft. One end of the rotating shaft is connected to a drive assembly. A pushing assembly is also provided on the lifting assembly. The receiving assemblies are used to switch receiving chambers under the drive of the drive assembly. The pushing assemblies, under the drive of the lifting assembly, cooperate with the pushing assembly during descent to push the nuts in the receiving chambers into the mounting holes. This improves work efficiency, reduces manual operation time, saves time and effort, and avoids unnecessary safety hazards.

Description

Technical Field

[0001] This invention relates to the field of lithium battery bracket manufacturing technology, and more specifically to a high-protection, heat-dissipating lithium battery bracket molding equipment. Background Technology

[0002] Lithium battery brackets are manufactured to place batteries into battery slots and increase the battery's output current or voltage. Lithium battery brackets have advantages such as high strength support and good heat dissipation, and are therefore widely used in the lithium battery manufacturing industry. Currently, the bracket forming process requires manual insertion of nuts into specific modules and then forming the nuts into the bracket. This manual operation is time-consuming and labor-intensive. Therefore, the bracket forming process is also crucial.

[0003] However, in the existing lithium battery bracket molding process, the nuts need to be manually installed one by one into a specific module, and then the injection molding machine is started to integrally mold the nuts into the bracket. The work efficiency is low, and the nuts are small in size, making it difficult for people to handle them manually. In addition, the operator's hands may be put into the injection molding machine, which may cause unnecessary safety hazards. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a high-protection, heat-dissipating lithium battery bracket molding device. This device features an automatic feeding component, a receiving component, and a driving component. The driving component enables automatic receiving of materials in four receiving chambers. A lifting component, a pushing component, and a pushing component work together to push the nuts from the receiving chambers into the mounting holes during the descent of the lifting and pushing components. This achieves automated production line operation, automatically adding nuts, saving labor, improving work efficiency, and enhancing safety. It eliminates the need for manual nut handling, making operation simple, time-saving, and labor-saving.

[0005] The technical solution of the present invention is as follows:

[0006] A high-protection, heat-dissipating lithium battery bracket molding equipment includes an injection molding machine body, an upper mold, and a lower mold. Three mold blocks for placing nuts are symmetrically arranged on both sides of the upper mold. Each mold block has mounting holes. A lifting assembly is located above the injection molding machine body. Receiving assemblies are symmetrically arranged on both sides of the lifting assembly. Each receiving assembly includes a rotating shaft and several receiving cavities. A pushing assembly is slidably mounted on the rotating shaft. One end of the rotating shaft is connected to a driving assembly. A pushing assembly is also provided on the lifting assembly. The receiving assemblies are used to switch receiving cavities under the drive of the driving assembly. The pushing assemblies, under the drive of the lifting assembly, cooperate with the pushing assembly during descent to push the nuts in the receiving cavities into the mounting holes.

[0007] As a preferred embodiment, the lifting assembly includes a robotic arm, a telescopic rod driven by the robotic arm, a connecting rod sleeved on the telescopic rod, and a connecting seat fixedly installed at the bottom of the connecting rod. A spring a is fixedly connected between the bottom of the telescopic rod and the inner bottom of the connecting rod, and stop bars are symmetrically arranged on the left and right sides of the connecting rod.

[0008] As a preferred embodiment, the receiving assembly further includes a connecting column fixedly disposed at the other end of the rotating shaft, and at least four receiving cavities are provided, with all four receiving cavities fixedly connected to the connecting column. A fixing seat is also provided on the rotating shaft.

[0009] As a preferred embodiment, the feeding assembly includes a rotating sleeve slidably mounted on a rotating shaft, a fixed rod fixedly mounted on the rotating sleeve, and at least four push rods fixedly mounted on the fixed rod. Each of the four push rods has a feeding chamber fixedly mounted on it. A push plate is fixedly mounted inside each feeding chamber. An air chamber is also provided inside the feeding chamber. At least two air holes are opened at the front end of the air chamber. Air pipes are fixedly connected to the air holes and the rear end of the air chamber. A fixed block is also provided inside the air chamber. Connecting strips are fixedly mounted on the fixed block. All four connecting strips are fixedly connected to the fixed plate. The fixed plate is fixedly mounted on the fixed seat. The feeding chamber is slidably mounted inside the receiving chamber. Arc-shaped plates are fixedly mounted on both the upper and lower sides of the fixed rod. A spring b is fixedly connected between the rotating sleeve and the fixed seat. Several through holes are also opened on the push plate.

[0010] As a preferred embodiment, the drive assembly includes at least two drive motors fixedly disposed within the connecting seat and a rotating shaft driven by the motors, the rotating shaft being fixedly connected to the rotating shaft.

[0011] As a preferred embodiment, the jacking assembly includes a connecting plate fixedly mounted on the telescopic rod and a jacking plate fixedly mounted at the bottom of the connecting plate, wherein both the left and right sides of the jacking plate are configured with arc-shaped structures.

[0012] As a preferred embodiment, the left and right sides of the injection molding machine body are symmetrically provided with feeding components. The feeding components include a conveying channel a and a conveying channel b fixedly provided on the injection molding machine body, a support plate a fixedly provided on both sides of the conveying channel a, a sliding seat a slidably provided on the support plate a, an electric push rod a provided on the sliding seat a, a clamping plate a fixedly provided at the front end of the electric push rod a, a support plate b fixedly provided on both sides of the conveying channel b, a sliding seat b slidably provided on the support plate b, an electric push rod b provided on the sliding seat b, and a clamping plate b fixedly provided at the front end of the electric push rod b. A connecting strip a is fixedly connected between two sliding seats a, a connecting strip b is fixedly connected between two sliding seats b, and a connecting strip c is fixedly connected between the connecting strip a and the connecting strip b. Cylinders are also symmetrically provided on the left and right sides of the injection molding machine body. The connecting strip c moves under the drive of the cylinders. Elastic pads are fixedly provided at the output ends of both the conveying channel a and the conveying channel b.

[0013] As a preferred embodiment, the four arc-shaped plates are respectively matched with the left and right sides of the push plate.

[0014] As another preferred embodiment, a groove is provided inside the rotating shaft, and a slider is fixedly provided on the rotating sleeve, with the slider slidably disposed within the groove.

[0015] The beneficial effects of this invention are as follows:

[0016] 1. This invention includes a receiving component, a feeding component, and a driving component. A clamping plate a clamps the nuts in conveying channel a and moves them from the output end to the receiving cavity. A clamping plate b clamps the nuts in conveying channel b and moves them from the output end to the receiving cavity. At this point, the two receiving cavities at the upper end of the connecting column have completed receiving. Subsequently, driven by the motor, the connecting column rotates 180 degrees, rotating the two receiving cavities at the lower end of the connecting column to the output ends of conveying channels a and b for receiving, thus achieving automated feeding. No manual handling of the nuts is required, saving labor and improving work efficiency. Furthermore, by setting elastic pads, nuts can pass over the pads while also blocking the next nut, preventing it from falling.

[0017] This invention includes a lifting assembly, a pushing assembly, and a top-pushing assembly. When the lifting assembly lowers the pushing and top-pushing assemblies, the top-pushing plate cooperates with the arc-shaped plate to push the pushing chamber and the pushing plate towards the module, automatically installing the nut into the mounting hole. This improves work efficiency and safety. Since the nut is small, manual installation is difficult. Furthermore, by setting a fixing block, which is fixed on the base, the air hole is exposed when the pushing chamber and the pushing plate move. The fixing block compresses the air at the rear end of the air chamber, causing the air to exit through the air hole via the air pipe and then through the through hole, blowing the nut away from the pushing plate and preventing the nut from being pulled out when the pushing plate disengages from the nut.

[0018] In summary, this invention has functions such as automatic feeding and automatic installation of nuts, and is suitable for the field of lithium battery bracket production technology. Attached Figure Description

[0019] The invention will now be further described with reference to the accompanying drawings:

[0020] Figure 1 High-protection, heat-dissipating lithium battery bracket molding equipment;

[0021] Figure 2 for Figure 1 Enlarged view of point A;

[0022] Figure 3 This is a structural diagram of the receiving assembly, the pushing assembly, and the jacking assembly;

[0023] Figure 4 This is a cross-sectional schematic diagram of the lifting assembly, the receiving assembly, and the pushing assembly;

[0024] Figure 5 for Figure 4 Enlarged view of point B;

[0025] Figure 6 for Figure 4 Enlarged view of point C;

[0026] Figure 7 This is a schematic diagram showing the state in which the pusher component pushes the material pusher component towards the module when the pusher component moves downward and cooperates with the arc plate.

[0027] Figure 8 A cross-sectional view of the nut being pushed by the pusher assembly;

[0028] Figure 9 for Figure 8 Enlarged diagram of point D;

[0029] Figure 10 A schematic diagram showing the state when the feeding assembly clamps the nut and pushes it forward;

[0030] Figure 11 This is a schematic diagram showing the switching of the receiving chamber state when the receiving component rotates under the drive of the driving component. Detailed Implementation

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] Example 1

[0033] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0034] like Figures 1 to 11 As shown, a high-protection and heat-dissipating lithium battery bracket molding equipment includes an injection molding machine body 1, an upper mold 11, and a lower mold 12. Three modules 13 for placing nuts 15 are symmetrically arranged on the left and right sides of the upper mold 11. The modules 13 have mounting holes 14. A lifting assembly 2 is arranged above the injection molding machine body 1. Material receiving assemblies 3 are symmetrically arranged on the left and right sides of the lifting assembly 2. The material receiving assembly 3 includes a rotating shaft 31 and several material receiving cavities 32. A pushing assembly 4 is slidably arranged on the rotating shaft 31. One end of the rotating shaft 31 is connected to a driving assembly 5. A pushing assembly 6 is also arranged on the lifting assembly 2. The material receiving assembly 3 is used to switch the material receiving cavities 32 under the drive of the driving assembly 5. The pushing assembly 4 is used to cooperate with the pushing assembly 6 during the descent under the drive of the lifting assembly 2 to push the nuts 15 in the material receiving cavities 32 into the mounting holes 14.

[0035] like Figure 1 , Figure 3 as well as Figure 4 As shown, the lifting assembly 2 includes a robotic arm 21, a telescopic rod 22 driven by the robotic arm 21, a connecting rod 23 sleeved on the telescopic rod 22, and a connecting seat 24 fixedly installed at the bottom of the connecting rod 23. A spring a25 is fixedly connected between the bottom of the telescopic rod 22 and the inner bottom of the connecting rod 23. Stop bars 26 are symmetrically arranged on the left and right sides of the connecting rod 23. In use, after the robotic arm 21 descends, when it descends to a certain height, the stop bar 26 is blocked by the upper mold 11 and the robotic arm 21 cannot descend further. At this time, the telescopic rod 22 can still compress the spring a25 downwards, so that the telescopic rod 22 can still descend a certain distance, thereby enabling the push assembly 6 and the pusher assembly 4 to cooperate. This structure is simple, ingenious, and easy to operate.

[0036] like Figure 3As shown, the receiving assembly 3 also includes a connecting column 33 fixedly disposed at the other end of the rotating shaft 31. There are at least four receiving cavities 32, and all four receiving cavities 32 are fixedly connected to the connecting column 33. A fixing seat 34 is also fixedly disposed on the rotating shaft 31. In use, after the two receiving cavities 32 located at the upper end of the connecting column 33 have finished receiving the material, the driving assembly 5 drives the rotating shaft 31 to rotate, thereby causing the connecting column 33 to rotate 180 degrees, rotating the unreceived receiving cavity 32 to the feeding assembly 7 for receiving the material, realizing automatic material receiving operation and improving work efficiency.

[0037] like Figures 3 to 5 As shown, the feeding assembly 4 includes a rotating sleeve 41 slidably mounted on a rotating shaft 31, a fixed rod 42 fixedly mounted on the rotating sleeve 41, and at least four push rods 43 fixedly mounted on the fixed rod 42. Each of the four push rods 43 has a feeding chamber 44 fixedly mounted on it. A push plate 45 is fixedly mounted inside the feeding chamber 44. An air chamber 46 is also provided inside the feeding chamber 44. At least two air holes 47 are opened at the front end of the air chamber 46. Air pipes 48 are fixedly connected to the air holes 47 and the rear end of the air chamber 46. A fixing block 49 is also provided inside the air chamber 46. Connecting strips 491 are fixedly mounted on the fixing block 49. All four connecting strips 491 are fixedly connected to a fixing plate 492. The fixing plate 492 is fixedly mounted on a fixing seat 34. The feeding chamber 44 is slidably mounted inside the receiving chamber 32. The upper and lower sides of the fixed rod 42 are fixedly mounted on... There is an arc-shaped plate 441. A spring b442 is fixedly connected between the rotating sleeve 41 and the fixed base 34. The push plate 45 is also provided with several through holes 443. In use, when the lifting component 2 drives the pushing component 4 and the top pushing component 6 to descend, the top pushing plate 62 pushes the two arc-shaped plates 441 toward the module 13, so that the pushing cavity 44 slides in the receiving cavity 32 under the action of the push rod 43, pushing the nut 15 from the receiving cavity 32 to the mounting hole 14. By setting the fixing block 49, when the pushing cavity 44 and the push plate 45 move, the air hole 47 is exposed. The fixing block 49 compresses the air at the rear end of the air cavity 46, so that the air goes out through the air pipe 48 from the air hole 47 and then is discharged through the through hole 443, blowing the nut 15 away from the push plate 45, preventing the push plate 45 from taking the nut 15 out when it is separated from the nut 15.

[0038] like Figure 4 As shown, the drive assembly 5 includes at least two drive motors 51 fixedly installed in the connecting seat 24 and a rotating shaft 52 driven by the motors 51. The rotating shaft 52 is fixedly connected to the rotating shaft 31. In use, the two motors 51 are started at the same time, so that the rotating shaft 52 drives the rotating shaft 31 to rotate, thereby realizing the switching of the receiving chamber 32.

[0039] like Figure 3As shown, the jacking assembly 6 includes a connecting plate 61 fixedly mounted on the telescopic rod 22 and a jacking plate 62 fixedly mounted at the bottom of the connecting plate 61. Both the left and right sides of the jacking plate 62 are configured with arc-shaped structures.

[0040] like Figure 2 and Figure 10 As shown, symmetrical feeding components 7 are also arranged on the left and right sides of the injection molding machine body 1. The feeding components 7 include a conveying channel a71 and a conveying channel b72 fixedly arranged on the injection molding machine body 1, a support plate a73 fixedly arranged on both sides of the conveying channel a71, a sliding seat a74 slidably arranged on the support plate a73, an electric push rod a75 arranged on the sliding seat a74, a clamping plate a76 fixedly arranged at the front end of the electric push rod a75, a support plate b77 fixedly arranged on both sides of the conveying channel b72, a sliding seat b78 slidably arranged on the support plate b77, an electric push rod b79 arranged on the sliding seat b78, and a clamping plate b8 fixedly arranged at the front end of the electric push rod b79. A connecting strip a81 is fixedly connected between the two sliding seats a74, a connecting strip b82 is fixedly connected between the two sliding seats b78, and a connecting strip c83 is fixedly connected between the connecting strip a81 and the connecting strip b82. The left and right sides of the injection molding machine body 1 also... A cylinder 84 is symmetrically arranged, and the connecting bar c83 moves under the drive of the cylinder 84. Elastic pads 85 are fixedly installed at the output ends of both conveying channels a71 and b72. During use, a vibratory feeder can be used to convey nuts 15 to conveying channels a71 and b72. Two clamping plates a76, driven by an electric push rod a75, clamp the nuts 15 in conveying channel a71 and move them towards the output end to the receiving chamber 32 under the drive of the cylinder 84. Similarly, two clamping plates b8, driven by an electric push rod b79, clamp the nuts 15 in conveying channel b72 and move them towards the output end to the receiving chamber 32 under the drive of the cylinder 84, thus achieving automatic feeding and improving work efficiency. Furthermore, the elastic pads 85 allow the nuts 15 to pass over them during clamping and movement, and also limit and block the next nut 15, preventing it from falling off.

[0041] like Figure 7 As shown, the four arc-shaped plates 441 cooperate with the left and right sides of the push plate 62 respectively. During use, the push plate 62 cooperates with the arc-shaped plates 441 as it descends. Under the action of the arc-shaped structures on the left and right sides of the push plate 62, the arc-shaped plates 441 are pushed respectively, thereby achieving the effect of automatically pushing the nut 15.

[0042] like Figure 6As shown, a groove 92 is provided inside the rotating shaft 31, and a slider 93 is fixedly provided on the rotating sleeve 41. The slider 93 is slidably disposed in the groove 92. On the one hand, the rotating shaft 31 can drive the rotating sleeve 41 to rotate, and on the other hand, the rotating sleeve 41 can slide on the rotating shaft 31.

[0043] Example 2

[0044] like Figure 5 As shown, the components that are the same as or corresponding to those in Embodiment 1 are referred to by the same reference numerals as those in Embodiment 1. For the sake of simplicity, only the differences from Embodiment 1 will be described below. The difference between Embodiment 2 and Embodiment 1 is that a buffer pad 91 is provided on the surface of the push plate 45.

[0045] Here, in this embodiment, a buffer pad 91 is provided on the surface of the push plate 45 to prevent excessive impact force between the push plate 45 and the nut 15 when the push plate 45 is pushed into the receiving cavity 32, which could damage the nut 15 and the push plate 45 and extend the service life of the push plate 45.

[0046] In the description of this invention, it should be understood that the terms "front and back", "left and right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0047] Of course, those skilled in the art should understand that the term "a" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple. The term "a" should not be understood as a limitation on the quantity.

[0048] The above description, in conjunction with the accompanying drawings, is merely a preferred embodiment of the present invention. However, the present invention is not limited to the above-described embodiments. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of the present invention. These modifications and improvements should also be considered within the scope of protection of the present invention and will not affect the effectiveness and practicality of the present invention.

Claims

1. A high-protection, heat-dissipating lithium battery bracket molding equipment, comprising an injection molding machine body (1), an upper mold (11), and a lower mold (12), wherein three modules (13) for placing nuts (15) are symmetrically arranged on both the left and right sides of the upper mold (11), characterized in that: The module (13) has an installation hole (14) inside. The injection molding machine body (1) is provided with a lifting component (2) above it. The lifting component (2) is symmetrically provided with receiving components (3) on the left and right sides. The receiving component (3) includes a rotating shaft (31) and several receiving cavities (32). A pushing component (4) is slidably provided on the rotating shaft (31). One end of the rotating shaft (31) is connected to a driving component (5). The lifting component (2) is also provided with a top pushing component (6). The receiving component (3) is used to switch the receiving cavity (32) under the drive of the driving component (5). The pushing component (4) is used to cooperate with the top pushing component (6) during the descent under the drive of the lifting component (2) to push the nut (15) in the receiving cavity (32) into the installation hole (14). The feeding assembly (4) includes a rotating sleeve (41) slidably disposed on a rotating shaft (31), a fixed rod (42) fixedly disposed on the rotating sleeve (41), and at least four push rods (43) fixedly disposed on the fixed rod (42). Each of the four push rods (43) is fixedly provided with a feeding chamber (44). A push plate (45) is fixedly disposed in the feeding chamber (44). An air chamber (46) is also provided in the feeding chamber (44). At least two air holes (47) are opened at the front end of the air chamber (46). An air pipe (48) is fixedly connected to the rear end of the air chamber (46) and the air holes (47). A fixing block (49) is also provided in the air cavity (46). A connecting strip (491) is fixedly provided on the fixing block (49). The four connecting strips (491) are all fixedly connected to the fixing plate (492). The fixing plate (492) is fixedly provided on the fixing seat (34). The pushing cavity (44) is slidably provided in the receiving cavity (32). Arc plates (441) are fixedly provided on both the upper and lower sides of the fixing rod (42). A spring b (442) is fixedly connected between the rotating sleeve (41) and the fixing seat (34). Several through holes (443) are also provided on the pushing plate (45). The push assembly (6) includes a connecting plate (61) fixedly mounted on the telescopic rod (22) and a push plate (62) fixedly mounted at the bottom of the connecting plate (61). Both sides of the push plate (62) are configured with arc-shaped structures.

2. The high-protection, heat-dissipating lithium battery bracket molding equipment according to claim 1, characterized in that: The lifting assembly (2) includes a robotic arm (21), a telescopic rod (22) driven by the robotic arm (21), a connecting rod (23) sleeved outside the telescopic rod (22), and a connecting seat (24) fixedly installed at the bottom of the connecting rod (23). A spring a (25) is fixedly connected between the bottom of the telescopic rod (22) and the inner bottom of the connecting rod (23). Stop bars (26) are also symmetrically arranged on the left and right sides of the connecting rod (23).

3. The high-protection, heat-dissipating lithium battery bracket molding equipment according to claim 1, characterized in that: The receiving assembly (3) further includes a connecting column (33) fixedly disposed at the other end of the rotating shaft (31), and at least four receiving cavities (32) are provided, and all four receiving cavities (32) are fixedly connected to the connecting column (33). A fixing seat (34) is fixedly disposed on the rotating shaft (31).

4. The high-protection, heat-dissipating lithium battery bracket molding equipment according to claim 1, characterized in that: The drive assembly (5) includes at least two drive motors (51) fixedly installed in the connecting seat (24) and a rotating shaft (52) driven by the motors (51), the rotating shaft (52) being fixedly connected to the rotating shaft (31).

5. The high-protection, heat-dissipating lithium battery bracket molding equipment according to claim 1, characterized in that: The injection molding machine body (1) is symmetrically provided with feeding components (7) on the left and right sides. The feeding components (7) include a conveying channel a (71) and a conveying channel b (72) fixedly provided on the injection molding machine body (1), a support plate a (73) fixedly provided on both sides of the conveying channel a (71), a sliding seat a (74) slidably provided on the support plate a (73), an electric push rod a (75) provided on the sliding seat a (74), a clamping plate a (76) fixedly provided at the front end of the electric push rod a (75), a support plate b (77) fixedly provided on both sides of the conveying channel b (72), a sliding seat b (78) slidably provided on the support plate b (77), and a clamping plate a (76) fixedly provided at the front end of the electric push rod a (75), a support plate b (77) fixedly provided on both sides of the conveying channel b (72), a sliding seat b (78) slidably provided on the support plate b (77), and a clamping plate a (76) slidably provided on the sliding seat b (77). An electric push rod b (79) is fixedly mounted on the moving seat b (78), a clamping plate b (8) is fixedly mounted on the front end of the electric push rod b (79), a connecting strip a (81) is fixedly connected between the two sliding seats a (74), a connecting strip b (82) is fixedly connected between the two sliding seats b (78), a connecting strip c (83) is fixedly connected between the connecting strip a (81) and the connecting strip b (82), and cylinders (84) are symmetrically arranged on the left and right sides of the injection molding machine body (1). The connecting strip c (83) moves under the drive of the cylinder (84), and elastic pads (85) are fixedly mounted at the output ends of the conveying channel a (71) and the conveying channel b (72).

6. The high-protection, heat-dissipating lithium battery bracket molding equipment according to claim 1, characterized in that: The four arc-shaped plates (441) are respectively matched with the left and right sides of the push plate (62).

7. The high-protection, heat-dissipating lithium battery bracket molding equipment according to claim 1, characterized in that: The rotating shaft (31) has a groove (92) inside, and a slider (93) is fixedly installed on the rotating sleeve (41). The slider (93) is slidably installed in the groove (92).

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